Question 1

A program written in ____ is the most basic circuitry-level language.

Accepted Answer

b. machine language

Question 2

____ are also called modules, methods, functions, and subroutines. Java programmers most frequently use the term

Accepted Answer

a. Procedures

Question 3

____ refers to the hiding of data and methods within an object.

Accepted Answer

d. Encapsulation

Question 4

____ describes the feature of languages that allows the same word to be interpreted correctly in different situations based on the context.

Accepted Answer

a. Polymorphism

Question 5

In Java, the reserved keyword ____ means that a method is accessible and usable even though no objects of the class exist.

Accepted Answer

c. static

Question 6

In a ____ environment, you can change directories using the cd command. For example, to change to a directory named MyClasses, you type cd MyClasses and press Enter.

Accepted Answer

d. DOS

Question 7

Java contains a class named ____ that allows you to produce dialog boxes.

Accepted Answer

b. JOptionPane

Question 8

Whenever a method requires multiple arguments, the arguments are always separated with ____.

Accepted Answer

a. commas

Question 9

If a compiler detects a violation of language rules, it refuses to translate the class to ____.

Accepted Answer

c. machine code

Question 10

It is best to use the ____ available text editor when writing Java programs.

Accepted Answer

b. simplest

Question 11

A data item is ____ when it cannot be changed while a program is running.

Accepted Answer

b. constant

Question 12

Primitive types serve as the building blocks for more complex data types, called ____ types.

Accepted Answer

c. reference

Question 13

____ refers to the order in which values are used with operators.

Accepted Answer

a. Associativity

Question 14

The characters ____ move the cursor to the next line when used within a println() statement.

Accepted Answer

b. n

Question 15

A(n) ____ dialog box asks a question and provides a text field in which the user can enter a response.

Accepted Answer

d. input

Question 16

A(n) ____ dialog box displays the options Yes, No, and Cancel.

Accepted Answer

a. confirm

Question 17

The method ____ is the first line of a method.

Accepted Answer

d. declaration

Question 18

The ____ method executes first in an application, no matter where you physically place it within its class.

Accepted Answer

c. main()

Question 19

Data items you use in a call to a method are called ____.

Accepted Answer

a. arguments

Question 20

When a variable ceases to exist at the end of a method, programmers say the variable____.

Accepted Answer

c. goes out of scope

Question 21

Methods used with object instantiations are called ____ methods.

Accepted Answer

d. instance

Question 22

A(n) ____ constructor is one that requires no arguments

Accepted Answer

b. default

Question 23

A variable comes into existence, or ____, when you declare it.

Accepted Answer

b. comes into scope

Question 24

A method can receive ____ arguments, even if it is defined as needing double arguments.

Accepted Answer

b. integer

Question 25

The compiler determines which version of a method to call by the method\'s ____.

Accepted Answer

b. signature

Question 26

____ variables are variables that are shared by every instantiation of a class.

Accepted Answer

c. Class

Question 27

The keyword ____ indicates that a field value is unalterable.

Accepted Answer

b. final

Question 28

A(n) ____ consists of written steps in diagram form, as a series of shapes connected by arrows.

Accepted Answer

b. flowchart

Question 29

A(n) ____ statement is the decision structure you use when you need to take one or the other of two possible courses of action.

Accepted Answer

b. dual-alternative if

Question 30

The compiler does not take indentation into account when compiling code, but consistent indentation can help readers understand a program\'s ____.

Accepted Answer

d. logic

Question 31

The ____ statement is useful when you need to test a single variable against a series of exact integer, character, or string values.

Accepted Answer

a. switch

Question 32

The ____ operator is always evaluated before the OR operator.

Accepted Answer

b. AND

Question 33

Which is an infinite loop?

Accepted Answer

b. loopCount = 1;  while(loopCount < 3);  {  System.out.println(\"Hello\");  }

Question 34

A(n) ____ loop is a special loop that is used when a definite number of loop iterations is required.

Accepted Answer

b. for

Question 35

The ____ loop checks the value of the loop control variable at the bottom of the loop after one repetition has occurred.

Accepted Answer

b. do...while

Question 36

How many times will outputLabel be called?  for(customer = 1; customer

Accepted Answer

d. 60

Question 37

A(n) ____ is a variable that holds a memory address.

Accepted Answer

a. reference

Question 38

A(n) ____ is a class for storing and manipulating changeable data that is composed of multiple characters.

Accepted Answer

d. StringBuilder

Question 39

Strings and other objects that can\'t be changed are known as ____.

Accepted Answer

c. immutable

Question 40

Besides Double and Integer, other wrapper classes such as Float and Long also provide ____ methods that convert Strings to the wrapper types.

Accepted Answer

a. valueOf()

Question 41

To alter just one character in a StringBuilder, you can use the ____ method, which allows you to change a character at a specified position within a StringBuilder object.

Accepted Answer

d. setCharAt()

Question 42

A(n) ____ is an integer contained within square brackets that indicates one of an array\'s variables.

Accepted Answer

b. subscript

Question 43

When you declare an array name, no computer memory address is assigned to it. Instead, the array variable name has the special value ____, or Unicode value \'u0000\'.

Accepted Answer

b. null

Question 44

Individual array elements are ____ by value when a copy of the value is made and used within the receiving method.

Accepted Answer

b. passed

Question 45

Primitive type variables are always passed by ____.

Accepted Answer

a. value

Question 46

To declare a two-dimensional array in Java, you type two sets of ____ after the array type.

Accepted Answer

b. [ ]

Question 47

The ArrayList class ____________________ method retrieves an item from a specified location in an ArrayList.

Accepted Answer

b. get

Question 48

Regarding enumerations, the ____ method returns the name of the calling constant object.

Accepted Answer

a. toString

Question 49

Regarding enumerations, the ____ method returns an array of the enumerated constants.

Accepted Answer

b. values

Question 50

The ability to use inheritance in Java makes programs easier to write, ____, and more quickly understood.

Accepted Answer

d. less error prone

Question 51

The class used as a basis for inheritance is the ____ class.

Accepted Answer

c. base

Question 52

____ polymorphism is the ability of one method name to work appropriately for different subclass objects of the same parent class.

Accepted Answer

a. Subtype

Question 53

You can use the ____ modifier with methods when you don\'t want the method to be overridden.

Accepted Answer

c. final

Question 54

An application\'s ability to select the correct subclass method is known as ____.

Accepted Answer

b. dynamic method binding

Question 55

The Object class equals() method returns a(n) ____ value indicating whether the objects are equal.

Accepted Answer

d. boolean

Question 56

When a class both extends and implements, by convention the ____ clause is last in the class header.

Accepted Answer

c. implements

Question 57

A(n) ____ statement is one that sends an Exception out of a method so it can be handled elsewhere.

Accepted Answer

a. throw

Question 58

____ statements are program statements that can never execute under any circumstances.

Accepted Answer

c. Unreachable

Question 59

Many developers believe that it is poor style for a method to throw more than ____ type(s) of exceptions.

Accepted Answer

c. three or four

Question 60

The Java compiler does not require that you catch or specify ____ exceptions.

Accepted Answer

b. runtime

Question 61

Some text files are ____ files that contain facts and figures, such as a payroll file that contains employee numbers, names, and salaries.

Accepted Answer

c. data

Question 62

A(n) ____ is a group of characters that has some meaning.

Accepted Answer

d. field

Question 63

A data file is used as a(n) ____ file when each record is stored in order based on the value in some field.

Accepted Answer

b. sequential access

Question 64

You can create a writeable file by using the Path class ____ method.

Accepted Answer

b. newOutputStream()

Com. Prog. Final Exam – Flashcards

Unlock all answers in this set

Haven't found what you were looking for?

Search for samples, answers to your questions and flashcards